Doomed to Die (1940) *
The Fatal Hour (Mr. Wong at Headquarters) (1940)
Boris Karloff | Grant Withers | Marjorie Reynolds | Charles Trowbridge | Frank Puglia | Craig Reynolds | Lita Chevret | Harry Strang | Hooper Atchley | Jason Robards Sr. | Richard Loo | Jack Kennedy | William Nigh
Mr. Wong in Chinatown (1939)
Boris Karloff | Marjorie Reynolds | Grant Withers | Huntley Gordon | George Lynn | William Royle | James Flavin | Lotus Long | Lee Tung Foo | Bessie Loo | Richard Loo | Ernie Stanton | I. Stanford Jolley | William Nigh
Mr. Wong, Detective (1938)
Boris Karloff | Grant Withers | Maxine Jennings | Evelyn Brent | George Lloyd | Lucien Prival | John St. Polis | William Gould | Hooper Atchley | John Hamilton | Wilbur Mack | Lee Tung Foo | Lynton Brent | Grace Wood | William Nigh
The Mystery of Mr Wong (1939)
Boris Karloff | Grant Withers | Dorothy Tree | Craig Reynolds | Ivan Lebedeff | Holmes Herbert | Morgan Wallace | Lotus Long | Chester Gan | Hooper Atchley | Bruce Wong | Jack Kennedy | Joe Devlin | Lee Tung Foo | Wilbur Mack | Dick Morehead | I. Stanford Jolley | William Nigh